<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt />
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :model="loginForm" class="login_form" :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" prefix-icon="el-icon-user-solid"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="el-icon-lock" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click.prevent="login">登录</el-button>
          <el-button type="info" @click.prevent="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
import { async } from 'q';
export default {
  data() {
    return {
      // 登录表单的对象
      loginForm:{
        username:'admin',
        password:'123456',
      },
      loginFormRules:{
        // 验证用户名是否合法
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        // 验证密码
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }

    };
  },
  methods: {
    resetLoginForm(){
      this.$refs.loginFormRef.resetFields();
    },
    login(){
      this.$refs.loginFormRef.validate(async (valid)=>{
        if(!valid) return this.$message.error('登录失败');
        const {data: res} = await this.$http.post('login',this.loginForm);
        if(res.meta.status===200){
          // 登录成功的逻辑
          console.log(res.data);
          // 保存到本地localStorage中
          window.localStorage.setItem('token', res.data.token);
          this.$router.push('/home');
          this.$message.success('登录成功');
          
        }else{
          // 登录失败渲染当前dom
          this.$message.error('登录失败');
        }
        
      })
    }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_form{
  position:absolute;
  bottom: 0;
  width:100%;
  box-sizing: border-box;
  padding: 0 30px;
}

.btns{
  display: flex;
  justify-content: flex-end;
}




.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
</style>
